Lewistown Weather Forecast

    • 27
    • 54

    Rain/Snow Likely

    • 20
    • 39

    Mostly Cloudy

    • 26
    • 40

    Mostly Cloudy

    • 29
    • 47

    Chance Rain/Snow

    • 23
    • 42

    Chance Rain/Snow

    • 20
    • 35

    Chance Snow

Today 13 Mar Fergus County below 4500ft

Mostly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs 55 to 65. Southwest Winds 10 to 20 Mph.

Tonight 13 Mar Fergus County below 4500ft

Breezy, Colder, cloudy. Chance of rain Showers and slight chance of snow Showers in the evening. Lows 30 to 35. Northwest Winds 15 to 25 Mph. Chance of precipitation 50 percent.

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Lewistown Temperature Statistics

March Temperature

Lewistown, Lewistown Municipal Airport (1.2 miles)

  • Lowest 7 March, 2025

    13.7 °F

  • Average March

    34.6 °F

  • Highest 2 March, 2025

    57.7 °F

Climate (2020–Present)

Lewistown, Lewistown Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    32.1 °F

  • Average 2020–2025

    44.1 °F

  • Average High 2020–2025

    56 °F
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